I would say no! once a double glazed unit has failed the only option is to replace it!.be careful when measuring for new unit. things to consider are 1allow enough clearance all round,2overall width of unit 3colour of spacer bar between glass.it would make it easier if you could take old unit out measure it up put back and order new one with confidence.
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Try fixfault.com to fix general d.i.y.